CVE-2023-52472
MediumIn the Linux kernel, the following vulnerability has been resolved: crypto: rsa - add a check for allocation failure Static checkers insist that the mpi_alloc() allocation can fail so add a check to prevent a NULL dereference. Small allocations like this can't actually fail in current kernels, but adding a check is very simple and makes the static checkers happy.
CVSS 3.1 score
5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness type
CWE-476CVE-2023-52472 is a NULL Pointer Dereference vulnerability
What is NULL Pointer Dereference?
The product dereferences a pointer that it expects to be valid but is NULL, typically causing a crash. Learn more on MITRE CWE
References
The following references provide additional information about CVE-2023-52472 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.
-
PatchKernel patch commithttps://git.kernel.org/stable/c/2831f4d3bfa68e64c5f83e96688be779c87b3511
-
PatchKernel patch commithttps://git.kernel.org/stable/c/95ad8b6879e2e49d02e3bfc0e1fb46421633fe2a
-
PatchKernel patch commithttps://git.kernel.org/stable/c/d872ca165cb67112f2841ef9c37d51ef7e63d1e4
Frequently asked questions
-
What is CVE-2023-52472?
CVE-2023-52472 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 , classified as a NULL Pointer Dereference flaw (CWE-476) . CVE-2023-52472 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
-
What is the CVSS score for CVE-2023-52472?
CVE-2023-52472 has a CVSS score of 5.5 out of 10, rated Medium severity (CVSS 3.1). The vector string is
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H. -
Is there a patch available for CVE-2023-52472?
No patch is currently available for CVE-2023-52472. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
-
Is CVE-2023-52472 actively exploited?
No — CVE-2023-52472 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
-
What is NULL Pointer Dereference (CWE-476)?
The product dereferences a pointer that it expects to be valid but is NULL, typically causing a crash. View CWE-476 on MITRE CWE →